Ruby client library for integrating with Malipopay payment APIs. Supports mobile money collections, disbursements, invoicing, SMS, customer management, and more.

Ruby library for PaynetEasy payment API.

Integration of Braintree payment gateway for use with Piggybak

API to integrate POLi payment gateway -- http://www.polipayments.com

PaymentExpress 2.0 integration library

Ruby wrapper for PuntoPagos Payment API

Turn-key E-Commerce for Ruby web applications

Rails gem to facilitate simple payments with Ogone.

This gem helps to integrate RBK Money payments into Ruby on Rails applications

Ruby SDK for the KiriminAja logistics API. Supports address lookup, coverage area pricing, order management (express & instant), courier services, pickup scheduling, and payments.

An API for using the Amazon Flexible Payment Service (FPS) - updated for version 2008-09-17 of the API.

Ruby gem for Rent$ payment Gateway & Intermediary

Command line client for Ripple payment platform

Provides an interface to GoldenPay online payment processing system.

Easy validation and processing of Paypal IPN payments

Mock payment framework

Accept bitcoin payments on your Spree store with Coinbase.

Adds Komerci as a Payment Method to Spree Commerce

Aprova Fácil Payment Gateway to Spree

Add Payment GayeWay GGE4